MLA

Gelbukh, Alexander F, Takeo Kanade, and Josef Kittler. Computational Linguistics and Intelligent Text Processing. Springer Berlin Heidelberg, 2011.

APA

Gelbukh, A. F, Kanade, T., & Kittler, J. (2011). Computational Linguistics and Intelligent Text Processing. Springer Berlin Heidelberg.

Chicago

Gelbukh, Alexander F., Takeo Kanade, and Josef Kittler. Computational Linguistics and Intelligent Text Processing. : Springer Berlin Heidelberg, 2011.